Cells and Function Crossword

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Across
  1. 3. Schleiden, concluded that all plants are composed of cells
  2. 8. produces protein
  3. 9. acts as a support system for organelles and maintains cell shape
  4. 10. Endoplasmic Reticulum, covered with Ribosomes and transports materials around the cell
  5. 11. Wall, provides structure and support around the cell membrane in a plant cell
  6. 12. synthesis, the process of making proteins
  7. 13. powerhouse of the cell
  8. 15. storage center of cell’s DNA and manages cell functions
  9. 16. membrane, surrounds all cells
  10. 17. bacteria and has no nucleus
  11. 19. Schwann, concluded that all animals are composed of cells
  12. 22. breaks down food particles, invading objects, or worn-out cell parts
  13. 23. allows some substances to pass into the cell and block others
Down
  1. 1. used for temporary storage of wastes, nutrients, and water
  2. 2. degrades hydrogen peroxide
  3. 4. Van Leeuwenhoek, first person to observe living cells
  4. 5. gelatin-like fluid that surrounds the organelles
  5. 6. Apparatus, receives proteins from the Rough ER and distributes them to other organelles or out of the cell
  6. 7. plays a major role in cell division
  7. 14. Virchow, determined that cells come only from other cells
  8. 16. photosynthesis
  9. 18. animals, plants, fungi, and protists
  10. 20. found in the nucleus
  11. 21. Endoplasmic Reticulum, involved in the synthesis of lipids and breakdown of toxic substances
  12. 24. Hooke, first to discover dead plant cells